not serious

基本解釋

They have all the weapons in the world but they’re not serious.
他們擁有世界上所有武器，可是他們偏不認(rèn)真去打。
He was not serious at all. He was always smiling at each of us.
他一點(diǎn)也不嚴(yán)肅，一直對(duì)我們每個(gè)人微笑。
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When infants begin to engage in rough-and-tumble play, laughter signals that the intentions are not serious, allowing children to test physical and social boundaries without serious jeopardy.
當(dāng)嬰幼兒開始打鬧游戲的時(shí)候，笑的意圖并不嚴(yán)肅，如此孩子們就可以在沒(méi)有危險(xiǎn)的情況下體驗(yàn)身體和社會(huì)的邊界。

A doctor examined Brown. He reported that Brown's wounds were not serious enough to prevent the trial from starting.
The patriarchal stories are clearly not the work of the Deuteronomist, and these stories must have had very longstanding traditional authority if they were adopted without serious modification by the Deuteronomist redactor some modification, but not serious.
那些宗法故事顯然不是預(yù)言師的作品，這些故事必然經(jīng)過(guò)了傳統(tǒng)權(quán)威的檢驗(yàn),如果他們是未經(jīng)更改直接引用的話,由那些預(yù)言編寫者,這里有一些改動(dòng)，但不是太多。
耶魯公開課 - 舊約導(dǎo)論課程節(jié)選
Since they do not think about the things that are serious, they get excited by tiny things."
盡管他們不會(huì)考慮國(guó)家大事,但零星瑣事都卻能令他們激動(dòng)萬(wàn)分
耶魯公開課 - 1871年后的法國(guó)課程節(jié)選

With that said, what you wrote are not serious policy suggestion but bumper sticker slogans.
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Although Not Very Serious 雖不甚慘重
Not enough serious 不夠認(rèn)真
Not so serious 也沒(méi)有那么嚴(yán)重;沒(méi)那么嚴(yán)重;沒(méi)有那么嚴(yán)重;沒(méi)有這么嚴(yán)重吧
Not That Serious 沒(méi)有那么嚴(yán)重;沒(méi)那么嚴(yán)重;詳細(xì)翻譯
Not a serious condition 不嚴(yán)肅狀態(tài);轉(zhuǎn)變必須來(lái)得突然